./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3401451039

<...>
Warning: Permanently added '10.128.1.182' (ED25519) to the list of known hosts.
execve("./syz-executor3401451039", ["./syz-executor3401451039"], 0x7ffe56f435f0 /* 10 vars */) = 0
brk(NULL)                               = 0x555556cc2000
brk(0x555556cc2e00)                     = 0x555556cc2e00
arch_prctl(ARCH_SET_FS, 0x555556cc2480) = 0
set_tid_address(0x555556cc2750)         = 5833
set_robust_list(0x555556cc2760, 24)     = 0
rseq(0x555556cc2da0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3401451039", 4096) = 28
getrandom("\xa5\xba\x4e\xb2\xcd\xab\xf8\x74", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555556cc2e00
brk(0x555556ce3e00)                     = 0x555556ce3e00
brk(0x555556ce4000)                     = 0x555556ce4000
mprotect(0x7f1f4baa3000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7f1f4b9e7ab0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f1f4b9efea0}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7f1f4b9e7ab0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f1f4b9efea0}, NULL, 8) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5834 attached
 <unfinished ...>
[pid  5834] set_robust_list(0x555556cc2760, 24 <unfinished ...>
[pid  5833] <... clone resumed>, child_tidptr=0x555556cc2750) = 5834
[pid  5834] <... set_robust_list resumed>) = 0
[pid  5834] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5837 attached
 <unfinished ...>
[pid  5834] <... openat resumed>)       = 3
[pid  5837] set_robust_list(0x555556cc2760, 24 <unfinished ...>
[pid  5833] <... clone resumed>, child_tidptr=0x555556cc2750) = 5837
[pid  5837] <... set_robust_list resumed>) = 0
[pid  5834] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5834] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 5838 attached
[pid  5834] close(3 <unfinished ...>
[pid  5838] set_robust_list(0x555556cc2760, 24 <unfinished ...>
[pid  5837] <... openat resumed>)       = 3
[pid  5834] <... close resumed>)        = 0
[pid  5833] <... clone resumed>, child_tidptr=0x555556cc2750) = 5838
[pid  5838] <... set_robust_list resumed>) = 0
[pid  5837] ioctl(3, LOOP_CLR_FD <unfinished ...>
[   91.318445][   T24] cfg80211: failed to load regulatory.db
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5837] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5837] close(3)                    = 0
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached
 <unfinished ...>
[pid  5838] <... openat resumed>)       = 3
./strace-static-x86_64: Process 5839 attached
./strace-static-x86_64: Process 5840 attached
[pid  5834] <... clone resumed>, child_tidptr=0x555556cc2750) = 5839
[pid  5839] set_robust_list(0x555556cc2760, 24 <unfinished ...>
[pid  5840] set_robust_list(0x555556cc2760, 24 <unfinished ...>
[pid  5839] <... set_robust_list resumed>) = 0
[pid  5840] <... set_robust_list resumed>) = 0
[pid  5838] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5839] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5838] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5833] <... clone resumed>, child_tidptr=0x555556cc2750) = 5840
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached
 <unfinished ...>
[pid  5841] set_robust_list(0x555556cc2760, 24 <unfinished ...>
[pid  5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5839] <... prctl resumed>)        = 0
[pid  5838] close(3 <unfinished ...>
[pid  5839] setpgid(0, 0)               = 0
[pid  5837] <... clone resumed>, child_tidptr=0x555556cc2750) = 5841
[pid  5841] <... set_robust_list resumed>) = 0
[pid  5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5838] <... close resumed>)        = 0
[pid  5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5841] setpgid(0, 0 <unfinished ...>
[pid  5839] <... openat resumed>)       = 3
[pid  5841] <... setpgid resumed>)      = 0
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached
 <unfinished ...>
[pid  5842] set_robust_list(0x555556cc2760, 24 <unfinished ...>
[pid  5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5840] <... openat resumed>)       = 3
[pid  5839] write(3, "1000", 4 <unfinished ...>
[pid  5833] <... clone resumed>, child_tidptr=0x555556cc2750) = 5842
[pid  5841] <... openat resumed>)       = 3
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5841] write(3, "1000", 4)         = 4
[pid  5839] <... write resumed>)        = 4
./strace-static-x86_64: Process 5844 attached
[pid  5842] <... set_robust_list resumed>) = 0
[pid  5841] close(3 <unfinished ...>
[pid  5839] close(3 <unfinished ...>
[pid  5840] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5839] <... close resumed>)        = 0
[pid  5843] set_robust_list(0x555556cc2760, 24 <unfinished ...>
[pid  5840] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5839] write(1, "executing program\n", 18 <unfinished ...>
[pid  5843] <... set_robust_list resumed>) = 0
[pid  5843] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program
executing program
 <unfinished ...>
[pid  5841] <... close resumed>)        = 0
[pid  5841] write(1, "executing program\n", 18 <unfinished ...>
[pid  5843] <... prctl resumed>)        = 0
[pid  5842] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5841] <... write resumed>)        = 18
[pid  5840] close(3 <unfinished ...>
[pid  5839] <... write resumed>)        = 18
[pid  5838] <... clone resumed>, child_tidptr=0x555556cc2750) = 5843
[pid  5844] set_robust_list(0x555556cc2760, 24 <unfinished ...>
[pid  5843] setpgid(0, 0 <unfinished ...>
[pid  5841] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5833] <... clone resumed>, child_tidptr=0x555556cc2750) = 5844
[pid  5843] <... setpgid resumed>)      = 0
[pid  5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5839] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5844] <... set_robust_list resumed>) = 0
[pid  5840] <... close resumed>)        = 0
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5843] <... openat resumed>)       = 3
[pid  5843] write(3, "1000", 4)         = 4
[pid  5843] close(3)                    = 0
executing program
[pid  5841] <... memfd_create resumed>) = 3
[pid  5843] write(1, "executing program\n", 18) = 18
./strace-static-x86_64: Process 5845 attached
[pid  5844] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5843] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5842] <... openat resumed>)       = 3
[pid  5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5839] <... memfd_create resumed>) = 3
[pid  5845] set_robust_list(0x555556cc2760, 24) = 0
[pid  5845] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5844] <... openat resumed>)       = 3
[pid  5842] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5840] <... clone resumed>, child_tidptr=0x555556cc2750) = 5845
[pid  5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5845] <... prctl resumed>)        = 0
[pid  5845] setpgid(0, 0 <unfinished ...>
[pid  5839] <... mmap resumed>)         = 0x7f1f43400000
[pid  5845] <... setpgid resumed>)      = 0
[pid  5844] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5842] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5841] <... mmap resumed>)         = 0x7f1f43400000
[pid  5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5844] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5843] <... memfd_create resumed>) = 3
[pid  5842] close(3 <unfinished ...>
[pid  5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5842] <... close resumed>)        = 0
[pid  5845] write(3, "1000", 4 <unfinished ...>
[pid  5844] close(3 <unfinished ...>
[pid  5843] <... mmap resumed>)         = 0x7f1f43400000
[pid  5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5846 attached
 <unfinished ...>
[pid  5845] <... write resumed>)        = 4
[pid  5844] <... close resumed>)        = 0
[pid  5842] <... clone resumed>, child_tidptr=0x555556cc2750) = 5846
[pid  5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5846] set_robust_list(0x555556cc2760, 24 <unfinished ...>
[pid  5845] close(3)                    = 0
[pid  5845] write(1, "executing program\n", 18executing program
) = 18
[pid  5845] memfd_create("syzkaller", 0) = 3
[pid  5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1f43400000
[pid  5846] <... set_robust_list resumed>) = 0
[pid  5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
./strace-static-x86_64: Process 5847 attached
[pid  5846] setpgid(0, 0 <unfinished ...>
[pid  5847] set_robust_list(0x555556cc2760, 24 <unfinished ...>
[pid  5846] <... setpgid resumed>)      = 0
[pid  5844] <... clone resumed>, child_tidptr=0x555556cc2750) = 5847
[pid  5847] <... set_robust_list resumed>) = 0
[pid  5847] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5847] <... prctl resumed>)        = 0
[pid  5847] setpgid(0, 0 <unfinished ...>
[pid  5846] <... openat resumed>)       = 3
[pid  5846] write(3, "1000", 4)         = 4
[pid  5846] close(3 <unfinished ...>
[pid  5847] <... setpgid resumed>)      = 0
[pid  5846] <... close resumed>)        = 0
[pid  5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5846] write(1, "executing program\n", 18 <unfinished ...>
[pid  5847] <... openat resumed>)       = 3
[pid  5847] write(3, "1000", 4)         = 4
[pid  5847] close(3)                    = 0
executing program
[pid  5847] write(1, "executing program\n", 18) = 18
[pid  5847] memfd_create("syzkaller", 0executing program
) = 3
[pid  5846] <... write resumed>)        = 18
[pid  5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5846] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5847] <... mmap resumed>)         = 0x7f1f43400000
[pid  5846] <... memfd_create resumed>) = 3
[pid  5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1f43400000
[pid  5839] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5845] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5843] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5847] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5841] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5846] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 <unfinished ...>
[pid  5845] <... write resumed>)        = 16777216
[pid  5845] munmap(0x7f1f43400000, 138412032 <unfinished ...>
[pid  5839] <... write resumed>)        = 16777216
[pid  5839] munmap(0x7f1f43400000, 138412032 <unfinished ...>
[pid  5847] <... write resumed>)        = 16777216
[pid  5847] munmap(0x7f1f43400000, 138412032 <unfinished ...>
[pid  5841] <... write resumed>)        = 16777216
[pid  5843] <... write resumed>)        = 16777216
[pid  5841] munmap(0x7f1f43400000, 138412032 <unfinished ...>
[pid  5843] munmap(0x7f1f43400000, 138412032 <unfinished ...>
[pid  5845] <... munmap resumed>)       = 0
[pid  5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid  5845] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5846] <... write resumed>)        = 16777216
[pid  5839] <... munmap resumed>)       = 0
[pid  5846] munmap(0x7f1f43400000, 138412032 <unfinished ...>
[pid  5845] <... ioctl resumed>)        = 0
[pid  5845] close(3)                    = 0
[pid  5845] close(4)                    = 0
[pid  5845] mkdir("./file1", 0777)      = 0
[pid  5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5845] mount("/dev/loop3", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... <unfinished ...>
[   92.579954][ T5845] loop3: detected capacity change from 0 to 32768
[pid  5839] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5839] close(3)                    = 0
[pid  5839] close(4)                    = 0
[pid  5839] mkdir("./file1", 0777)      = -1 EEXIST (File exists)
[   92.638792][ T5839] loop0: detected capacity change from 0 to 32768
[pid  5839] mount("/dev/loop0", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... <unfinished ...>
[pid  5847] <... munmap resumed>)       = 0
[pid  5843] <... munmap resumed>)       = 0
[pid  5841] <... munmap resumed>)       = 0
[pid  5841] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid  5841] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5843] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[   92.687666][ T5845] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[   92.707251][ T5839] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[   92.717058][ T5841] loop1: detected capacity change from 0 to 32768
[   92.725178][ T5845] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[pid  5843] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5847] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[   92.725296][ T5843] loop2: detected capacity change from 0 to 32768
[   92.746901][ T5847] loop5: detected capacity change from 0 to 32768
[   92.753969][ T5839] CPU: 0 UID: 0 PID: 5839 Comm: syz-executor340 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) 
[   92.754003][ T5839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   92.754017][ T5839] Call Trace:
[   92.754027][ T5839]  <TASK>
[   92.754036][ T5839]  dump_stack_lvl+0x189/0x250
[   92.754114][ T5839]  ? kernfs_path_from_node+0x2c/0x260
[   92.754157][ T5839]  ? __pfx_dump_stack_lvl+0x10/0x10
[   92.754197][ T5839]  ? __pfx__printk+0x10/0x10
[   92.754226][ T5839]  ? kernfs_path_from_node+0x2c/0x260
[   92.754261][ T5839]  ? kernfs_path_from_node+0x2c/0x260
[   92.754299][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   92.754327][ T5839]  ? kernfs_path_from_node+0x22c/0x260
[   92.754361][ T5839]  ? kernfs_path_from_node+0x2c/0x260
[   92.754400][ T5839]  sysfs_create_dir_ns+0x259/0x280
[   92.754438][ T5839]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[   92.754475][ T5839]  ? do_raw_spin_unlock+0x122/0x240
[   92.754519][ T5839]  kobject_add_internal+0x59f/0xb40
[   92.754567][ T5839]  kobject_init_and_add+0x125/0x190
[   92.754603][ T5839]  ? __pfx_kobject_init_and_add+0x10/0x10
[   92.754635][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   92.754663][ T5839]  ? __raw_spin_lock_init+0x45/0x100
[   92.754700][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   92.754727][ T5839]  ? __init_swait_queue_head+0xa9/0x150
[   92.754770][ T5839]  gfs2_sys_fs_add+0x237/0x470
[   92.754798][ T5839]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[   92.754831][ T5839]  ? is_dynamic_key+0xd6/0x1c0
[   92.754855][ T5839]  ? __pfx_alloc_workqueue+0x10/0x10
[   92.754912][ T5839]  gfs2_fill_super+0x1348/0x2010
[   92.754969][ T5839]  ? __pfx_gfs2_fill_super+0x10/0x10
[   92.755000][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   92.755034][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   92.755062][ T5839]  ? sb_set_blocksize+0x104/0x180
[   92.755095][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   92.755129][ T5839]  ? setup_bdev_super+0x4c1/0x5b0
[   92.755162][ T5839]  get_tree_bdev_flags+0x40e/0x4d0
[   92.755190][ T5839]  ? __pfx_gfs2_fill_super+0x10/0x10
[   92.755223][ T5839]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[   92.755252][ T5839]  ? rcu_is_watching+0x15/0xb0
[   92.755290][ T5839]  gfs2_get_tree+0x51/0x1e0
[   92.755327][ T5839]  vfs_get_tree+0x92/0x2b0
[   92.755359][ T5839]  do_new_mount+0x24a/0xa40
[   92.755398][ T5839]  __se_sys_mount+0x317/0x410
[   92.755438][ T5839]  ? __pfx___se_sys_mount+0x10/0x10
[   92.755469][ T5839]  ? rcu_is_watching+0x15/0xb0
[   92.755507][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   92.755535][ T5839]  ? __x64_sys_mount+0x20/0xc0
[   92.755570][ T5839]  do_syscall_64+0xfa/0x3b0
[   92.755597][ T5839]  ? lockdep_hardirqs_on+0x9c/0x150
[   92.755622][ T5839]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   92.755644][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   92.755672][ T5839]  ? exc_page_fault+0x9f/0xf0
[   92.755699][ T5839]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   92.755721][ T5839] RIP: 0033:0x7f1f4ba1e39a
[   92.755742][ T5839] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   92.755761][ T5839] RSP: 002b:00007ffd9395c0f8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[   92.755786][ T5839] RAX: ffffffffffffffda RBX: 00007ffd9395c110 RCX: 00007f1f4ba1e39a
[   92.755804][ T5839] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffd9395c110
[   92.755821][ T5839] RBP: 0000200000001c00 R08: 00007ffd9395c150 R09: 00000000000125dc
[   92.755838][ T5839] R10: 0000000001000800 R11: 0000000000000282 R12: 0000200000000240
[   92.755854][ T5839] R13: 00007ffd9395c150 R14: 0000000000000003 R15: 0000000001000800
[   92.755889][ T5839]  </TASK>
[   93.110621][ T5839] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[   93.126182][ T5839] gfs2: fsid=syz:syz: error -17 adding sysfs files
[pid  5847] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5846] <... munmap resumed>)       = 0
[pid  5843] <... ioctl resumed>)        = 0
[pid  5841] <... ioctl resumed>)        = 0
[pid  5847] close(3 <unfinished ...>
[pid  5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5847] <... close resumed>)        = 0
[pid  5846] <... openat resumed>)       = 4
[pid  5841] close(3 <unfinished ...>
[pid  5847] close(4 <unfinished ...>
[pid  5846] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5847] <... close resumed>)        = 0
[pid  5843] close(3 <unfinished ...>
[pid  5841] <... close resumed>)        = 0
[pid  5843] <... close resumed>)        = 0
[pid  5847] mkdir("./file1", 0777 <unfinished ...>
[pid  5841] close(4 <unfinished ...>
[pid  5847] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5841] <... close resumed>)        = 0
[pid  5847] mount("/dev/loop5", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... <unfinished ...>
[pid  5841] mkdir("./file1", 0777)      = -1 EEXIST (File exists)
[pid  5841] mount("/dev/loop1", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... <unfinished ...>
[pid  5846] <... ioctl resumed>)        = 0
[pid  5843] close(4)                    = 0
[pid  5843] mkdir("./file1", 0777)      = -1 EEXIST (File exists)
[pid  5843] mount("/dev/loop2", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... <unfinished ...>
[pid  5846] close(3)                    = 0
[pid  5846] close(4)                    = 0
[pid  5846] mkdir("./file1", 0777)      = -1 EEXIST (File exists)
[   93.141106][ T5846] loop4: detected capacity change from 0 to 32768
[   93.157697][ T5845] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[   93.189857][ T5841] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[   93.197432][ T5841] CPU: 0 UID: 0 PID: 5841 Comm: syz-executor340 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) 
[   93.197463][ T5841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   93.197478][ T5841] Call Trace:
[   93.197486][ T5841]  <TASK>
[   93.197496][ T5841]  dump_stack_lvl+0x189/0x250
[   93.197542][ T5841]  ? kernfs_path_from_node+0x2c/0x260
[   93.197582][ T5841]  ? __pfx_dump_stack_lvl+0x10/0x10
[   93.197623][ T5841]  ? __pfx__printk+0x10/0x10
[   93.197652][ T5841]  ? kernfs_path_from_node+0x2c/0x260
[   93.197694][ T5841]  ? kernfs_path_from_node+0x2c/0x260
[   93.197733][ T5841]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.197762][ T5841]  ? kernfs_path_from_node+0x22c/0x260
[   93.197797][ T5841]  ? kernfs_path_from_node+0x2c/0x260
[   93.197837][ T5841]  sysfs_create_dir_ns+0x259/0x280
[   93.197876][ T5841]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[   93.197913][ T5841]  ? do_raw_spin_unlock+0x122/0x240
[   93.197956][ T5841]  kobject_add_internal+0x59f/0xb40
[   93.197999][ T5841]  kobject_init_and_add+0x125/0x190
[   93.198049][ T5841]  ? __pfx_kobject_init_and_add+0x10/0x10
[   93.198085][ T5841]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.198121][ T5841]  ? __raw_spin_lock_init+0x45/0x100
[   93.198161][ T5841]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.198190][ T5841]  ? __init_swait_queue_head+0xa9/0x150
[   93.198233][ T5841]  gfs2_sys_fs_add+0x237/0x470
[   93.198263][ T5841]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[   93.198297][ T5841]  ? is_dynamic_key+0xd6/0x1c0
[   93.198323][ T5841]  ? __pfx_alloc_workqueue+0x10/0x10
[   93.198380][ T5841]  gfs2_fill_super+0x1348/0x2010
[   93.198434][ T5841]  ? __pfx_gfs2_fill_super+0x10/0x10
[   93.198466][ T5841]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.198500][ T5841]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.198528][ T5841]  ? sb_set_blocksize+0x104/0x180
[   93.198562][ T5841]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.198589][ T5841]  ? setup_bdev_super+0x4c1/0x5b0
[   93.198623][ T5841]  get_tree_bdev_flags+0x40e/0x4d0
[   93.198653][ T5841]  ? __pfx_gfs2_fill_super+0x10/0x10
[   93.198687][ T5841]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[   93.198719][ T5841]  ? rcu_is_watching+0x15/0xb0
[   93.198759][ T5841]  gfs2_get_tree+0x51/0x1e0
[   93.198797][ T5841]  vfs_get_tree+0x92/0x2b0
[   93.198828][ T5841]  do_new_mount+0x24a/0xa40
[   93.198876][ T5841]  __se_sys_mount+0x317/0x410
[   93.198916][ T5841]  ? __pfx___se_sys_mount+0x10/0x10
[   93.198947][ T5841]  ? rcu_is_watching+0x15/0xb0
[   93.198984][ T5841]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.199012][ T5841]  ? __x64_sys_mount+0x20/0xc0
[   93.199047][ T5841]  do_syscall_64+0xfa/0x3b0
[   93.199072][ T5841]  ? lockdep_hardirqs_on+0x9c/0x150
[   93.199095][ T5841]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   93.199122][ T5841]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.199146][ T5841]  ? exc_page_fault+0x9f/0xf0
[   93.199172][ T5841]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   93.199196][ T5841] RIP: 0033:0x7f1f4ba1e39a
[   93.199216][ T5841] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   93.199239][ T5841] RSP: 002b:00007ffd9395c0f8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[   93.199262][ T5841] RAX: ffffffffffffffda RBX: 00007ffd9395c110 RCX: 00007f1f4ba1e39a
[   93.199278][ T5841] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffd9395c110
[   93.199294][ T5841] RBP: 0000200000001c00 R08: 00007ffd9395c150 R09: 00000000000125dc
[   93.199310][ T5841] R10: 0000000001000800 R11: 0000000000000282 R12: 0000200000000240
[   93.199326][ T5841] R13: 00007ffd9395c150 R14: 0000000000000003 R15: 0000000001000800
[   93.199362][ T5841]  </TASK>
[   93.199417][ T5841] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[   93.200653][ T5822] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[   93.214693][ T5841] gfs2: fsid=syz:syz: error -17 adding sysfs files
[   93.294281][ T5822] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[   93.407450][ T5847] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[   93.442192][ T5843] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[   93.454715][ T5847] CPU: 0 UID: 0 PID: 5847 Comm: syz-executor340 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) 
[   93.454749][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   93.454765][ T5847] Call Trace:
[   93.454775][ T5847]  <TASK>
[   93.454785][ T5847]  dump_stack_lvl+0x189/0x250
[   93.454828][ T5847]  ? kernfs_path_from_node+0x2c/0x260
[   93.454867][ T5847]  ? __pfx_dump_stack_lvl+0x10/0x10
[   93.454906][ T5847]  ? __pfx__printk+0x10/0x10
[   93.454934][ T5847]  ? kernfs_path_from_node+0x2c/0x260
[   93.454968][ T5847]  ? kernfs_path_from_node+0x2c/0x260
[   93.455009][ T5847]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.455037][ T5847]  ? kernfs_path_from_node+0x22c/0x260
[   93.455075][ T5847]  ? kernfs_path_from_node+0x2c/0x260
[   93.455118][ T5847]  sysfs_create_dir_ns+0x259/0x280
[   93.455159][ T5847]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[   93.455197][ T5847]  ? do_raw_spin_unlock+0x122/0x240
[   93.455244][ T5847]  kobject_add_internal+0x59f/0xb40
[   93.455286][ T5847]  kobject_init_and_add+0x125/0x190
[   93.455323][ T5847]  ? __pfx_kobject_init_and_add+0x10/0x10
[   93.455355][ T5847]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.455382][ T5847]  ? __raw_spin_lock_init+0x45/0x100
[   93.455420][ T5847]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.455447][ T5847]  ? __init_swait_queue_head+0xa9/0x150
[   93.455488][ T5847]  gfs2_sys_fs_add+0x237/0x470
[   93.455517][ T5847]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[   93.455550][ T5847]  ? is_dynamic_key+0xd6/0x1c0
[   93.455575][ T5847]  ? __pfx_alloc_workqueue+0x10/0x10
[   93.455631][ T5847]  gfs2_fill_super+0x1348/0x2010
[   93.455683][ T5847]  ? __pfx_gfs2_fill_super+0x10/0x10
[   93.455713][ T5847]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.455747][ T5847]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.455774][ T5847]  ? sb_set_blocksize+0x104/0x180
[   93.455808][ T5847]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.455836][ T5847]  ? setup_bdev_super+0x4c1/0x5b0
[   93.455868][ T5847]  get_tree_bdev_flags+0x40e/0x4d0
[   93.455897][ T5847]  ? __pfx_gfs2_fill_super+0x10/0x10
[   93.455930][ T5847]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[   93.455960][ T5847]  ? rcu_is_watching+0x15/0xb0
[   93.455999][ T5847]  gfs2_get_tree+0x51/0x1e0
[   93.456035][ T5847]  vfs_get_tree+0x92/0x2b0
[   93.456067][ T5847]  do_new_mount+0x24a/0xa40
[   93.456118][ T5847]  __se_sys_mount+0x317/0x410
[   93.456158][ T5847]  ? __pfx___se_sys_mount+0x10/0x10
[   93.456188][ T5847]  ? rcu_is_watching+0x15/0xb0
[   93.456225][ T5847]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.456252][ T5847]  ? __x64_sys_mount+0x20/0xc0
[   93.456288][ T5847]  do_syscall_64+0xfa/0x3b0
[   93.456314][ T5847]  ? lockdep_hardirqs_on+0x9c/0x150
[   93.456340][ T5847]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   93.456362][ T5847]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.456389][ T5847]  ? exc_page_fault+0x9f/0xf0
[   93.456417][ T5847]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   93.456441][ T5847] RIP: 0033:0x7f1f4ba1e39a
[   93.456462][ T5847] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   93.456481][ T5847] RSP: 002b:00007ffd9395c0f8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[   93.456505][ T5847] RAX: ffffffffffffffda RBX: 00007ffd9395c110 RCX: 00007f1f4ba1e39a
[   93.456523][ T5847] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffd9395c110
[   93.456540][ T5847] RBP: 0000200000001c00 R08: 00007ffd9395c150 R09: 00000000000125dc
[   93.456557][ T5847] R10: 0000000001000800 R11: 0000000000000282 R12: 0000200000000240
[   93.456573][ T5847] R13: 00007ffd9395c150 R14: 0000000000000003 R15: 0000000001000800
[   93.456608][ T5847]  </TASK>
[   93.456695][ T5847] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[   93.509227][ T5843] CPU: 1 UID: 0 PID: 5843 Comm: syz-executor340 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) 
[   93.509262][ T5843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   93.509276][ T5843] Call Trace:
[   93.509286][ T5843]  <TASK>
[   93.509296][ T5843]  dump_stack_lvl+0x189/0x250
[   93.509346][ T5843]  ? kernfs_path_from_node+0x2c/0x260
[   93.509384][ T5843]  ? __pfx_dump_stack_lvl+0x10/0x10
[   93.509422][ T5843]  ? __pfx__printk+0x10/0x10
[   93.509451][ T5843]  ? kernfs_path_from_node+0x2c/0x260
[   93.509485][ T5843]  ? kernfs_path_from_node+0x2c/0x260
[   93.509521][ T5843]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.509549][ T5843]  ? kernfs_path_from_node+0x22c/0x260
[   93.509583][ T5843]  ? kernfs_path_from_node+0x2c/0x260
[   93.509622][ T5843]  sysfs_create_dir_ns+0x259/0x280
[   93.509659][ T5843]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[   93.509696][ T5843]  ? do_raw_spin_unlock+0x122/0x240
[   93.509740][ T5843]  kobject_add_internal+0x59f/0xb40
[   93.509782][ T5843]  kobject_init_and_add+0x125/0x190
[   93.509819][ T5843]  ? __pfx_kobject_init_and_add+0x10/0x10
[   93.509858][ T5843]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.509886][ T5843]  ? __raw_spin_lock_init+0x45/0x100
[   93.509924][ T5843]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.509951][ T5843]  ? __init_swait_queue_head+0xa9/0x150
[   93.509993][ T5843]  gfs2_sys_fs_add+0x237/0x470
[   93.510022][ T5843]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[   93.510054][ T5843]  ? is_dynamic_key+0xd6/0x1c0
[   93.510080][ T5843]  ? __pfx_alloc_workqueue+0x10/0x10
[   93.510134][ T5843]  gfs2_fill_super+0x1348/0x2010
[   93.510187][ T5843]  ? __pfx_gfs2_fill_super+0x10/0x10
[   93.510217][ T5843]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.510251][ T5843]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.510277][ T5843]  ? sb_set_blocksize+0x104/0x180
[   93.510311][ T5843]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.510338][ T5843]  ? setup_bdev_super+0x4c1/0x5b0
[   93.510371][ T5843]  get_tree_bdev_flags+0x40e/0x4d0
[   93.510400][ T5843]  ? __pfx_gfs2_fill_super+0x10/0x10
[   93.510433][ T5843]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[   93.510463][ T5843]  ? rcu_is_watching+0x15/0xb0
[   93.510501][ T5843]  gfs2_get_tree+0x51/0x1e0
[   93.510537][ T5843]  vfs_get_tree+0x92/0x2b0
[   93.510569][ T5843]  do_new_mount+0x24a/0xa40
[   93.510612][ T5843]  __se_sys_mount+0x317/0x410
[   93.510652][ T5843]  ? __pfx___se_sys_mount+0x10/0x10
[   93.510682][ T5843]  ? rcu_is_watching+0x15/0xb0
[   93.510718][ T5843]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.510745][ T5843]  ? __x64_sys_mount+0x20/0xc0
[   93.510781][ T5843]  do_syscall_64+0xfa/0x3b0
[   93.510808][ T5843]  ? lockdep_hardirqs_on+0x9c/0x150
[   93.510834][ T5843]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   93.510862][ T5843]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.510889][ T5843]  ? exc_page_fault+0x9f/0xf0
[   93.510916][ T5843]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   93.510940][ T5843] RIP: 0033:0x7f1f4ba1e39a
[   93.510961][ T5843] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   93.510980][ T5843] RSP: 002b:00007ffd9395c0f8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[   93.511004][ T5843] RAX: ffffffffffffffda RBX: 00007ffd9395c110 RCX: 00007f1f4ba1e39a
[   93.511022][ T5843] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffd9395c110
[   93.511040][ T5843] RBP: 0000200000001c00 R08: 00007ffd9395c150 R09: 00000000000125dc
[   93.511057][ T5843] R10: 0000000001000800 R11: 0000000000000282 R12: 0000200000000240
[   93.511072][ T5843] R13: 00007ffd9395c150 R14: 0000000000000003 R15: 0000000001000800
[   93.511107][ T5843]  </TASK>
[   93.511138][ T5843] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[   93.586669][ T5847] gfs2: fsid=syz:syz: error -17 adding sysfs files
[   93.625387][ T5846] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[   93.669312][ T5839] ==================================================================
[   93.717724][ T5846] CPU: 1 UID: 0 PID: 5846 Comm: syz-executor340 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) 
[   93.717758][ T5846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   93.717772][ T5846] Call Trace:
[   93.717782][ T5846]  <TASK>
[   93.717793][ T5846]  dump_stack_lvl+0x189/0x250
[   93.717837][ T5846]  ? kernfs_path_from_node+0x2c/0x260
[   93.717885][ T5846]  ? __pfx_dump_stack_lvl+0x10/0x10
[   93.717924][ T5846]  ? __pfx__printk+0x10/0x10
[   93.717952][ T5846]  ? kernfs_path_from_node+0x2c/0x260
[   93.717986][ T5846]  ? kernfs_path_from_node+0x2c/0x260
[   93.718022][ T5846]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.718050][ T5846]  ? kernfs_path_from_node+0x22c/0x260
[   93.718084][ T5846]  ? kernfs_path_from_node+0x2c/0x260
[   93.718123][ T5846]  sysfs_create_dir_ns+0x259/0x280
[   93.718161][ T5846]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[   93.718198][ T5846]  ? do_raw_spin_unlock+0x122/0x240
[   93.718242][ T5846]  kobject_add_internal+0x59f/0xb40
[   93.718284][ T5846]  kobject_init_and_add+0x125/0x190
[   93.718321][ T5846]  ? __pfx_kobject_init_and_add+0x10/0x10
[   93.718352][ T5846]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.718379][ T5846]  ? __raw_spin_lock_init+0x45/0x100
[   93.718417][ T5846]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.718444][ T5846]  ? __init_swait_queue_head+0xa9/0x150
[   93.718486][ T5846]  gfs2_sys_fs_add+0x237/0x470
[   93.718514][ T5846]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[   93.718547][ T5846]  ? is_dynamic_key+0xd6/0x1c0
[   93.718572][ T5846]  ? __pfx_alloc_workqueue+0x10/0x10
[   93.718627][ T5846]  gfs2_fill_super+0x1348/0x2010
[   93.718680][ T5846]  ? __pfx_gfs2_fill_super+0x10/0x10
[   93.718710][ T5846]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.718743][ T5846]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.718771][ T5846]  ? sb_set_blocksize+0x104/0x180
[   93.718804][ T5846]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.718831][ T5846]  ? setup_bdev_super+0x4c1/0x5b0
[   93.718871][ T5846]  get_tree_bdev_flags+0x40e/0x4d0
[   93.718900][ T5846]  ? __pfx_gfs2_fill_super+0x10/0x10
[   93.718932][ T5846]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[   93.718966][ T5846]  ? __pfx_gfs2_get_tree+0x10/0x10
[   93.719001][ T5846]  gfs2_get_tree+0x51/0x1e0
[   93.719038][ T5846]  vfs_get_tree+0x92/0x2b0
[   93.719071][ T5846]  do_new_mount+0x24a/0xa40
[   93.719111][ T5846]  __se_sys_mount+0x317/0x410
[   93.719152][ T5846]  ? __pfx___se_sys_mount+0x10/0x10
[   93.719182][ T5846]  ? rcu_is_watching+0x15/0xb0
[   93.719220][ T5846]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.719247][ T5846]  ? __x64_sys_mount+0x20/0xc0
[   93.719282][ T5846]  do_syscall_64+0xfa/0x3b0
[   93.719309][ T5846]  ? lockdep_hardirqs_on+0x9c/0x150
[   93.719335][ T5846]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   93.719357][ T5846]  ? srso_alias_return_thunk+0x5/0xfbef5
[   93.719384][ T5846]  ? exc_page_fault+0x9f/0xf0
[   93.719412][ T5846]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   93.719435][ T5846] RIP: 0033:0x7f1f4ba1e39a
[   93.719457][ T5846] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   93.719476][ T5846] RSP: 002b:00007ffd9395c0f8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[   93.719501][ T5846] RAX: ffffffffffffffda RBX: 00007ffd9395c110 RCX: 00007f1f4ba1e39a
[   93.719518][ T5846] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffd9395c110
[   93.719535][ T5846] RBP: 0000200000001c00 R08: 00007ffd9395c150 R09: 00000000000125dc
[   93.719552][ T5846] R10: 0000000001000800 R11: 0000000000000282 R12: 0000200000000240
[   93.719568][ T5846] R13: 00007ffd9395c150 R14: 0000000000000003 R15: 0000000001000800
[   93.719603][ T5846]  </TASK>
[   93.719636][ T5846] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[   93.721461][ T5839] BUG: KASAN: null-ptr-deref in gfs2_drop_inode+0x20c/0x3a0
[   93.726820][ T5843] gfs2: fsid=syz:syz: error -17 adding sysfs files
[   93.732343][ T5839] Read of size 8 at addr 00000000000000a8 by task syz-executor340/5839
[   94.753770][ T5839] 
[   94.756106][ T5839] CPU: 0 UID: 0 PID: 5839 Comm: syz-executor340 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) 
[   94.756134][ T5839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   94.756148][ T5839] Call Trace:
[   94.756159][ T5839]  <TASK>
[   94.756168][ T5839]  dump_stack_lvl+0x189/0x250
[   94.756209][ T5839]  ? __pfx_dump_stack_lvl+0x10/0x10
[   94.756244][ T5839]  ? _raw_spin_lock_irqsave+0xb3/0xf0
[   94.756280][ T5839]  ? do_raw_spin_lock+0x121/0x290
[   94.756317][ T5839]  ? gfs2_drop_inode+0x20c/0x3a0
[   94.756351][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   94.756378][ T5839]  ? gfs2_drop_inode+0x20c/0x3a0
[   94.756412][ T5839]  kasan_report+0x118/0x150
[   94.756442][ T5839]  ? gfs2_drop_inode+0x20c/0x3a0
[   94.756481][ T5839]  kasan_check_range+0x2b0/0x2c0
[   94.756511][ T5839]  gfs2_drop_inode+0x20c/0x3a0
[   94.756548][ T5839]  iput+0x45d/0x9d0
[   94.756582][ T5839]  gfs2_fill_super+0x1418/0x2010
[   94.756620][ T5839]  ? __pfx_gfs2_fill_super+0x10/0x10
[   94.756648][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   94.756676][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   94.756701][ T5839]  ? sb_set_blocksize+0x104/0x180
[   94.756729][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   94.756754][ T5839]  ? setup_bdev_super+0x4c1/0x5b0
[   94.756781][ T5839]  get_tree_bdev_flags+0x40e/0x4d0
[   94.756806][ T5839]  ? __pfx_gfs2_fill_super+0x10/0x10
[   94.756836][ T5839]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[   94.756866][ T5839]  ? rcu_is_watching+0x15/0xb0
[   94.756901][ T5839]  gfs2_get_tree+0x51/0x1e0
[   94.756932][ T5839]  vfs_get_tree+0x92/0x2b0
[   94.756958][ T5839]  do_new_mount+0x24a/0xa40
[   94.756991][ T5839]  __se_sys_mount+0x317/0x410
[   94.757024][ T5839]  ? __pfx___se_sys_mount+0x10/0x10
[   94.757053][ T5839]  ? rcu_is_watching+0x15/0xb0
[   94.757082][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   94.757107][ T5839]  ? __x64_sys_mount+0x20/0xc0
[   94.757138][ T5839]  do_syscall_64+0xfa/0x3b0
[   94.757163][ T5839]  ? lockdep_hardirqs_on+0x9c/0x150
[   94.757185][ T5839]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   94.757206][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   94.757231][ T5839]  ? exc_page_fault+0x9f/0xf0
[   94.757253][ T5839]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   94.757274][ T5839] RIP: 0033:0x7f1f4ba1e39a
[   94.757294][ T5839] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   94.757312][ T5839] RSP: 002b:00007ffd9395c0f8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[   94.757333][ T5839] RAX: ffffffffffffffda RBX: 00007ffd9395c110 RCX: 00007f1f4ba1e39a
[   94.757349][ T5839] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffd9395c110
[   94.757365][ T5839] RBP: 0000200000001c00 R08: 00007ffd9395c150 R09: 00000000000125dc
[   94.757380][ T5839] R10: 0000000001000800 R11: 0000000000000282 R12: 0000200000000240
[   94.757394][ T5839] R13: 00007ffd9395c150 R14: 0000000000000003 R15: 0000000001000800
[   94.757417][ T5839]  </TASK>
[   94.757424][ T5839] ==================================================================
[   95.056609][ T5839] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[   95.063837][ T5839] CPU: 0 UID: 0 PID: 5839 Comm: syz-executor340 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) 
[   95.075913][ T5839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   95.085967][ T5839] Call Trace:
[   95.089245][ T5839]  <TASK>
[   95.092168][ T5839]  dump_stack_lvl+0x99/0x250
[   95.096774][ T5839]  ? __asan_memcpy+0x40/0x70
[   95.101366][ T5839]  ? __pfx_dump_stack_lvl+0x10/0x10
[   95.106576][ T5839]  ? __pfx__printk+0x10/0x10
[   95.111174][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   95.116827][ T5839]  panic+0x2db/0x790
[   95.120829][ T5839]  ? lockdep_hardirqs_on+0x9c/0x150
[   95.126033][ T5839]  ? __pfx_panic+0x10/0x10
[   95.130470][ T5839]  ? _raw_spin_unlock_irqrestore+0xa8/0x110
[   95.136381][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   95.142016][ T5839]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[   95.147921][ T5839]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   95.154354][ T5839]  ? do_raw_spin_lock+0x121/0x290
[   95.159400][ T5839]  ? gfs2_drop_inode+0x20c/0x3a0
[   95.164348][ T5839]  check_panic_on_warn+0x89/0xb0
[   95.169374][ T5839]  ? gfs2_drop_inode+0x20c/0x3a0
[   95.174325][ T5839]  end_report+0x78/0x160
[   95.178573][ T5839]  kasan_report+0x129/0x150
[   95.183091][ T5839]  ? gfs2_drop_inode+0x20c/0x3a0
[   95.188048][ T5839]  kasan_check_range+0x2b0/0x2c0
[   95.192998][ T5839]  gfs2_drop_inode+0x20c/0x3a0
[   95.197898][ T5839]  iput+0x45d/0x9d0
[   95.201720][ T5839]  gfs2_fill_super+0x1418/0x2010
[   95.206688][ T5839]  ? __pfx_gfs2_fill_super+0x10/0x10
[   95.211983][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   95.217818][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   95.223459][ T5839]  ? sb_set_blocksize+0x104/0x180
[   95.228496][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   95.234132][ T5839]  ? setup_bdev_super+0x4c1/0x5b0
[   95.239165][ T5839]  get_tree_bdev_flags+0x40e/0x4d0
[   95.244284][ T5839]  ? __pfx_gfs2_fill_super+0x10/0x10
[   95.249577][ T5839]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[   95.255211][ T5839]  ? rcu_is_watching+0x15/0xb0
[   95.259989][ T5839]  gfs2_get_tree+0x51/0x1e0
[   95.264653][ T5839]  vfs_get_tree+0x92/0x2b0
[   95.269079][ T5839]  do_new_mount+0x24a/0xa40
[   95.273600][ T5839]  __se_sys_mount+0x317/0x410
[   95.278311][ T5839]  ? __pfx___se_sys_mount+0x10/0x10
[   95.283522][ T5839]  ? rcu_is_watching+0x15/0xb0
[   95.288304][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   95.294466][ T5839]  ? __x64_sys_mount+0x20/0xc0
[   95.299268][ T5839]  do_syscall_64+0xfa/0x3b0
[   95.303779][ T5839]  ? lockdep_hardirqs_on+0x9c/0x150
[   95.308977][ T5839]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   95.315042][ T5839]  ? srso_alias_return_thunk+0x5/0xfbef5
[   95.320688][ T5839]  ? exc_page_fault+0x9f/0xf0
[   95.325374][ T5839]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   95.331268][ T5839] RIP: 0033:0x7f1f4ba1e39a
[   95.335685][ T5839] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   95.355492][ T5839] RSP: 002b:00007ffd9395c0f8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[   95.363914][ T5839] RAX: ffffffffffffffda RBX: 00007ffd9395c110 RCX: 00007f1f4ba1e39a
[   95.371892][ T5839] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffd9395c110
[   95.379874][ T5839] RBP: 0000200000001c00 R08: 00007ffd9395c150 R09: 00000000000125dc
[   95.387859][ T5839] R10: 0000000001000800 R11: 0000000000000282 R12: 0000200000000240
[   95.395833][ T5839] R13: 00007ffd9395c150 R14: 0000000000000003 R15: 0000000001000800
[   95.403812][ T5839]  </TASK>
[   95.407147][ T5839] Kernel Offset: disabled
[   95.411510][ T5839] Rebooting in 86400 seconds..